RCCB vs MCB vs RCBO: Which Trips and Why

Electrical distribution board showing RCCB, MCB and RCBO circuit protection devices in a Singapore residential home

An MCB trips on overload or short circuit, an RCCB trips on current leaking to earth, and an RCBO does both on a single circuit. That one sentence is the whole answer, but which device tripped in your distribution board tells you exactly what went wrong and what to do next.  This guide explains RCCB […]

Do You Need an EMA-Licensed Electrician for HDB Work?

EMA-licensed electrician inspecting an HDB electrical distribution board and wiring in a Singapore apartment

Yes. For almost all electrical work in an HDB flat, you legally need an EMA-licensed electrician, known as a Licensed Electrical Worker (LEW). HDB’s own renovation rules and Singapore’s Electricity Act both require it, and the only exceptions are trivial tasks like changing a bulb or resetting a breaker.  This guide explains exactly when an […]

5 Reasons to Avoid DIY Electrical Repair

Licensed electrician stopping a homeowner from attempting DIY electrical repairs on a residential electrical panel in Singapore

You should avoid DIY electrical repair because in Singapore it is illegal for anyone but a Licensed Electrical Worker to carry out electrical installation work, and the risks, electrocution, fire, voided insurance, and fines up to S$10,000, far outweigh the small savings.  What looks like a simple socket swap or DB fix carries real danger […]

Electrician Cost in Singapore: 2026 Price Guide

Licensed electrician explaining electrical repair costs and quotation details in a Singapore residential property

Electrician cost in Singapore typically starts from S$50 to S$80 for minor repairs and a basic call-out, with most common jobs falling between S$40 and S$450 depending on the task. A single lighting point sits at the low end; a distribution board upgrade or a full rewiring runs much higher.  The real answer depends on […]

What to Do When Your Lights Keep Flickering

Licensed electrician inspecting a flickering ceiling light and electrical wiring in a Singapore HDB apartment

When your lights keep flickering, start by checking the simplest cause first: a loose bulb, then the switch, then the circuit load, and only then the wiring. Flickering lights range from a five-second fix to a genuine warning sign, and telling the two apart is what saves you money and keeps your home safe.  This […]

Why Does My Power Keep Tripping? Causes and Fixes

Electrician inspecting a Singapore home distribution board after repeated power trips and circuit breaker shutdowns

Your power keeps tripping because a protective device in your consumer unit is doing its job: cutting the circuit the instant it senses an overload, a short circuit, or current leaking to earth. The trip is the symptom, not the fault. Something on that circuit, a faulty appliance, an overloaded socket, moisture, or ageing wiring, […]